n. English scientist and Franciscan monk who stressed the importance of experimentation; first showed that air is required for combustion and first used lenses to correct vision (1220-1292)

n. English statesman and philosopher; precursor of British empiricism; advocated inductive reasoning (1561-1626)

n. back and sides of a hog salted and dried or smoked; usually sliced thin and fried

Etymologies

Middle English, from Old French, of Germanic origin.

(American Heritage® Dictionary of the English Language, Fourth Edition)

From Middle English bacon ("meat from the back and sides of a pig"), from Anglo-Norman bacon, bacun ("ham, flitch, strip of lard"), from Old Low Frankish *bakō (“ham, flitch”), from Proto-Germanic *bakô, *bakkô (“back”), from Proto-Indo-European *bhAg- (“back, buttocks”). Cognate with Old High German bahho, bacho ("back, ham, side of bacon") (compare Alemannic German Bache, Bachen), Old Saxon baco ("back"), Dutch bake ("side of bacon, ham"), Old English bæc ("back"). More at back. (Wiktionary)

Examples

And I packed it cram full, and took along the old tin bread-box, as well, with pancake flour and dried fruit and an extra piece of bacon -- and _bacon_ it is now called in this shack, for I have positively forbidden